$ git clone -n https://src.fedoraproject.org/rpms/kanagram.git /var/lib/mock/f40-build-1974772-25235/root/chroot_tmpdir/scmroot/kanagram
Cloning into '/var/lib/mock/f40-build-1974772-25235/root/chroot_tmpdir/scmroot/kanagram'...
$ git fetch origin 1336984b920d2dbb07c71f036303af6fab616c4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kanagram
 * [new ref]         1336984b920d2dbb07c71f036303af6fab616c4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1336984 24.05.2